Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Idle Air Control (IAC) Valve - Cobra
    Removal and Installation 1. Disconnect the idle air control (IAC) valve electrical connector. 2. Remove the bolts, the IAC valve and the gasket. 3. NOTE: Install a new gasket if necessary. To install, reverse the removal procedure. ...

    Fittings - R-Clip
    Material Item Specification SAE 5W-20 Super Premium Synthetic Blend Motor Oil XO-5W20-QSP or equivalent WSS-M2C153- H Disconnect WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel- ...

    Key Release Button
    Removal 1. Disconnect the battery ground cable. 2. Remove the ignition switch lock cylinder. 1. Insert the ignition key into the ignition switch lock cylinder and turn to RUN position. 2. Push the ignition switch lock cylinder release tab with a p ...